8. Which type of forest covers the largest area in Nepal? A. Tropical deciduous forest B. Temperate broadleaf forest C. Alpine forest D. Coniferous forest
9. Fungi causing athlete's foot belong to which group? A. Ascomycetes B. Zygomycetes C. Basidiomycetes D. Chytridiomycetes
10. Algae causing harmful algal blooms are usually rich in? A. Nitrogen and phosphorus B. Potassium C. Carbon D. Calcium
11. Which is a symbiotic association? A. Lichen B. Rhizopus on bread C. Albugo on mustard D. Puccinia on wheat
12. Which feature distinguishes fungi from plants? A. cell wall B. eukaryotic cell C. absorptive nutrition D. multicellularity
13. Bacterial reproduction mainly occurs by A. budding B. fragmentation C. binary fission D. spore formation
16. The scientific name of mango is A. Mangifera indica B. Musa paradisiaca C. Oryza sativa D. Triticum aestivum
17. Mode of nutrition in bacteria may be A. autotrophic B. heterotrophic C. saprophytic D. all of these
18. Sex organs in bryophytes are A. anther and ovary B. antheridium and archegonium C. sporangium and capsule D. cone and flower
20. What is the main role of chlorophyll in plants? A. Absorbing light energy B. Producing glucose C. Converting CO2 into oxygen D. Transmitting genetic information
23. Gymnosperm leaves are adapted to reduce A. photosynthesis B. water loss C. reproduction D. transpiration
27. Which bacterial group can perform photosynthesis? A. Proteobacteria B. Cyanobacteria C. Actinobacteria D. Firmicutes
28. The main function of root is A. photosynthesis B. absorption of water C. transpiration D. reproduction
30. Floral formula represents A. flower diagram B. numerical arrangement C. flower parts symbolically D. reproductive cycle
32. Pteridophytes like Selaginella are heterosporous because they produce? A. Male and female spores B. Only male spores C. Only female spores D. Both spores identical
33. Rice is scientifically known as A. Oryza sativa B. Triticum aestivum C. Zea mays D. Hordeum vulgare
37. Angiosperms differ from gymnosperms by presence of A. seeds B. vessels C. flowers and fruits D. tracheids
39. Which algal pigment is responsible for red coloration in red algae? A. Phycoerythrin B. Carotene C. Chlorophyll a D. Fucoxanthin
46. Bacteria in root nodules fix nitrogen in which form? A. Nitrate B. Ammonia C. Nitrite D. Nitrogen gas
49. Taxon refers to A. rank in classification B. single species C. group of organisms D. unit of classification
50. Gymnosperms are called 'naked seed plants' because? A. Seeds are exposed on cone scales B. Seeds are inside ovary C. Seeds are microscopic D. Seeds are non-viable